一种面向恒流输电水下观测网的无级功率重构转换器

臧玉嘉; 陈燕虎; 杨灿军; 张浩宇; 段志勇; Gul MUHAMMAD

doi:10.1631/FITEE.2100259

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一种面向恒流输电水下观测网的无级功率重构转换器

常规文章 | Updated：2022-06-14

- 一种面向恒流输电水下观测网的无级功率重构转换器
- A stepless-power-reconfigurable converter for a constant current underwater observatory
- 信息与电子工程前沿（英文） 2021年22卷第12期页码：1625-1640
- Affiliations：
  
  1.State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou310027, China
  2.Ji Hua Laboratory, Foshan528200, China
- Author bio：
  
  ‡Corresponding author
- Funds：
  
  National Natural Science Foundation of China(51979246);Ningbo Science and Technology Innovation 2025 Major Special Project, China(2020Z075)
- DOI：10.1631/FITEE.2100259
  中图分类号： TP271
- 收稿：2021-05-27，
  
  修回：2021-12-09，
  
  录用：2021-11-28，
  
  纸质出版：2021-12-0
- Accepted：
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臧玉嘉, 陈燕虎, 杨灿军, 等. 一种面向恒流输电水下观测网的无级功率重构转换器[J]. 信息与电子工程前沿（英文）, 2021,22(12):1625-1640.

Yujia ZANG, Yanhu CHEN, Canjun YANG, et al. A stepless-power-reconfigurable converter for a constant current underwater observatory[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(12): 1625-1640.
臧玉嘉, 陈燕虎, 杨灿军, 等. 一种面向恒流输电水下观测网的无级功率重构转换器[J]. 信息与电子工程前沿（英文）, 2021,22(12):1625-1640. DOI： 10.1631/FITEE.2100259.

Yujia ZANG, Yanhu CHEN, Canjun YANG, et al. A stepless-power-reconfigurable converter for a constant current underwater observatory[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(12): 1625-1640. DOI： 10.1631/FITEE.2100259.

摘要

恒流（CC）电能到恒压（CV）电能的转换是恒流输电水下观测网的关键技术之一。该系统通常采用具有高稳定性和高可靠性的并联稳压器以稳定输出电压。然而，并联稳压方法存在高热损耗和低转换效率的缺点。本文对传统并联稳压方法进行改进，提出一种CC/CV转换模块的无级功率重构方法。针对稳定负载或缓慢变化负载的应用场景，介绍两种无级功率重构转换模式：（1）基于单环控制的手动无级功率重构（MSPR）；（2）基于内—外环控制的自动无级功率重构（ASPR）。所述方法在保证系统留有预设功率裕度的同时，可以尽可能减少并联稳压方法中不必要的能量损失。分析了该方法的转换效率，讨论了系统关键参数选择方法。实验结果表明，MSPR和ASPR方法均保留了并联稳压方法的高稳定优点，同时降低了CC/CV转换模块的热耗散，提高了CC/CV转换效率。

Abstract

The conversion from constant current (CC) to constant voltage (CV) is one of the key technologies of CC underwater observatory systems. A shunt regulator with high stability and high reliability is usually used. Applications

however

are limited by high heat dissipation and low efficiency. In this paper

with an improved shunt regulation method

a novel concept of stepless power reconfiguration (SPR) for the CC/CV module is proposed. In cases with stable or slowly changing load

two modes of CC/CV conversion are proposed to reduce unnecessary power loss of the shunt regulator while being able to retain any operator-preset power margin in the system: (1) the manual SPR (MSPR) method based on single-loop control method; (2) the automatic SPR (ASPR) method based on inner-outer loop control method. The efficiency of the system is analyzed. How to select some key parameters of the system is discussed. Experimental results show that MSPR and ASPR are both effective and practical methods to reduce heat dissipation and improve the efficiency of the CC/CV module

while the high stability of the shunt regulator remains.

关键词

Keywords

references

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